fix: prevent mineral creep infinite loop on insufficient resources

This fix addresses the remaining edge case where mineral creeps would
infinitely loop trying to transfer resources from the terminal when
insufficient amounts (1-4 units) were available.

Changes:
- Update validation threshold from === 0 to < LAB_REACTION_AMOUNT (5)
  in both setStatePrepareReactionLab1WithResource and
  setStatePrepareReactionLab2WithResource to match room cleanup logic
- Add reaction cleanup in handleWithdrawFromSource to delete
  room.memory.reaction when resources are insufficient, preventing
  immediate re-setting of the same failed state
- Enhance validation check to also verify resource amount meets
  LAB_REACTION_AMOUNT threshold during withdrawal

This ensures consistent validation across all code paths and makes
the system self-healing by clearing invalid reactions immediately.

Author: TooAngel

src/role_mineral.js

@@ -348,7 +348,7 @@ function setStatePrepareReactionLab1WithResource(creep) {
     return false;
   }
   // Check if terminal actually has the required resource
-  if (!creep.room.terminal || !creep.room.terminal.store[reaction.result.first] || creep.room.terminal.store[reaction.result.first] === 0) {
+  if (!creep.room.terminal || !creep.room.terminal.store[reaction.result.first] || creep.room.terminal.store[reaction.result.first] < LAB_REACTION_AMOUNT) {
     return false;
   }
   creep.data.state = {
@@ -378,7 +378,7 @@ function setStatePrepareReactionLab2WithResource(creep) {
     return false;
   }
   // Check if terminal actually has the required resource
-  if (!creep.room.terminal || !creep.room.terminal.store[reaction.result.second] || creep.room.terminal.store[reaction.result.second] === 0) {
+  if (!creep.room.terminal || !creep.room.terminal.store[reaction.result.second] || creep.room.terminal.store[reaction.result.second] < LAB_REACTION_AMOUNT) {
     return false;
   }
   creep.data.state = {
@@ -492,9 +492,13 @@ function handleWithdrawFromSource(creep) {
   }
   creep.moveToMy(source.pos);
   const resource = creep.data.state.getResource(source);
-  if (!resource) {
-    creep.log(`No resource available from ${source}, clearing state`);
+  if (!resource || !source.store[resource] || source.store[resource] < LAB_REACTION_AMOUNT) {
+    creep.log(`No sufficient resource available from ${source}, clearing state and reaction`);
     delete creep.data.state;
+    // Also clear the room's reaction to prevent immediate re-setting
+    if (creep.room.memory.reaction) {
+      delete creep.room.memory.reaction;
+    }
     return true;
   }
   const response = creep.withdraw(source, resource);